The Canaries are determined to get as high a fee as possible for Maddison, who has emerged as one of the brightest talents outside the top flight this campaign.

The England Under-21 international has scored 13 goals and provided seven assists in the Championship this season.

Maddison last month claimed that interest from the Premier League is flattering.

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"That's the level that everyone aspires to get to," he told BBC Sport. "Every young player will tell you his dream is to play in the Premier League and for me it's no different, but I've just got to take a step back.

"It's my first season [with Norwich] and I'd say I've had a good season - it could've been better but I've played a lot of games and showed everyone what I can do and what I'm about.